Home / 9,222,439.16-12,728,088.16-5,354,960.31

Finding the Fourth Proportional to 9,222,439.16, 12,728,088.16 and 5,354,960.31

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Solution

The fourth proportional to 9,222,439.16, 12,728,088.16 and 5,354,960.31 is: 7,390,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222,439.16 : 12,728,088.16 = 5,354,960.31 : x
  2. Step 2: Convert to fraction form
    9,222,439.16/12,728,088.16 = 5,354,960.31/x
  3. Step 3: Cross multiply
    9,222,439.16x = 12,728,088.16 × 5,354,960.31
  4. Step 4: Simplify right side
    9,222,439.16x = 68,158,406,892,206.12
  5. Step 5: Solve for x
    x = 68,158,406,892,206.12/9,222,439.16
  6. Step 6: Final answer
    x = 7,390,496.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.